你可以在每一个海洋找到它们，从海平面到深海区。

They are found in every ocean, from the surface to the deep sea.

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数十年来，科学家们探索了所有海洋领域，从近岸水体到深海平原——它们在地球上覆盖的面积比陆地总面积还大。

Over the decade, census scientists have explored every ocean realm from near-shore waters to the abyssal plains-which cover a greater area of the Earth than all its land.

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那时就发生了最近的一次海洋生物全球性大灭绝，在一些地方，有50%的深海动物灭绝了。

That was when the last globally significant extinction of Marine species took place, when 50% of some groups of deep-sea animals were wiped out.

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